Home / 2,975.97-4,107.66-1,856.25

Finding the Fourth Proportional to 2,975.97, 4,107.66 and 1,856.25

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Solution

The fourth proportional to 2,975.97, 4,107.66 and 1,856.25 is: 2,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.97 : 4,107.66 = 1,856.25 : x
  2. Step 2: Convert to fraction form
    2,975.97/4,107.66 = 1,856.25/x
  3. Step 3: Cross multiply
    2,975.97x = 4,107.66 × 1,856.25
  4. Step 4: Simplify right side
    2,975.97x = 7,624,843.88
  5. Step 5: Solve for x
    x = 7,624,843.88/2,975.97
  6. Step 6: Final answer
    x = 2,562.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.